I didn’t manage to do it______you explained how.
| A．until | B．unless | C．when | D．before |
— I saw a lovely alien(外星人) near the New Bridge Airport last week?
— _______ There is no such kind of creature at all.
| A．Really? | B．Pardon? |
| C．Oh, come off it! | D．Got it! |
—What shall I do next?
—You’d better finish your chemistry exercises ______ I can take you to the cinema this evening.
| A．so that | B．so as to |
| C．in order to | D．such that |
In our country, we all get ____ by the month. I’m always the first ___ my salary every month.
| A．paid; to draw | B．paying; to draw |
| C．paid; drawing | D．paying; drawn |
—Mr. Smith has returned home from China?
—We really miss him! He _______ in our university for 8 years.
| A．works | B．has worked |
| C．worked | D．had worked |
The doctor had almost lost hope at one point, but the patient finally _______.
| A．pulled down | B．pulled through |
| C．pulled up | D．pulled over |